BioStacks
Pure Encapsulations

Rapid Calm

1 Capsule · 30 servings · $1.57/serving

iHerbAmazon
56 / 100Average

Best for

Stress & MoodSleep

Score Breakdown

Formulation
56
Safety
100
Final score
56/100

Ingredients (3)

L-Theanine200 mg

Optimal dose · Premium form

Zembrin Sceletium tortuosum extract25 mg

Within effective range

Vitamin B610 mg

Partial dose · Budget form

Other Ingredients

Fillers, coatings, and additives

4Safe

Ascorbyl PalmitateAntioxidant

Safe

Microcrystalline CelluloseBinder

Safe

Hypoallergenic Plant FiberFiller

Safe

Purified WaterSolvent

Safe

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.